#299DD6
Closest named color: Chefchaouen Blue (#4895EF). oklch(66% 0.129 235.9), rgb(41, 157, 214).
Aa
Black text reads best on this color (6.88:1).
About this color
#299DD6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.129 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.051 away. Black text reads best on it, at 6.88:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.88:1 |
| White text | 3.04:1 |
Values
| HEX | #299DD6 |
| RGB | rgb(41, 157, 214) |
| HSL | hsl(200, 68%, 50%) |
| OKLCH | oklch(66% 0.129 235.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #299DD6 | 3.04:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #299DD6 | 6.88:1 | AA | Lc 47.2 | Large or bold text, headings |
| #299DD6 text on white | 3.04:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #299DD6 text on black | 6.88:1 | AA | Lc -44.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C4DDEE
oklch(88.4% 0.036 237.6)
-
Step 300
300
#9AC8E4
oklch(81% 0.063 235.3)
-
Step 400
400
#5CAAD7
oklch(70.6% 0.101 236)
-
Step 500
500 (this color)
#299DD6
oklch(66% 0.129 235.9)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#052A3D
oklch(27% 0.053 236.3)
#299DD6 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #819CD9 | 0.076 |
| Deuteranopia (no green cones) | #6A8DD5 | 0.062 |
| Tritanopia (no blue cones) | #00ACB1 | 0.081 |
| Achromatopsia (no color) | #949494 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #299DD6
#299DD6
oklch(66% 0.129 235.9)
- #CD7B3A
#CD7B3A
oklch(66% 0.129 56.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #299DD6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.063
- Faded Blue #658CBB ΔE 0.063
- Water Blue #0E87CC ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.070
- Blue NCS #118AB2 ΔE 0.072
- Cool Blue #4984B8 ΔE 0.073
Use #299DD6 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.