#299CBA
Closest named color: Cadet Blue (#5F9EA0). oklch(64.4% 0.107 219.9), rgb(41, 156, 186).
Aa
Black text reads best on this color (6.55:1).
About this color
#299CBA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.107 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.054 away. Black text reads best on it, at 6.55:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.55:1 |
| White text | 3.20:1 |
Values
| HEX | #299CBA |
| RGB | rgb(41, 156, 186) |
| HSL | hsl(192, 64%, 45%) |
| OKLCH | oklch(64.4% 0.107 219.9) |
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 #299CBA | 3.20:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #299CBA | 6.55:1 | AA | Lc 45.2 | Large or bold text, headings |
| #299CBA text on white | 3.20:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #299CBA text on black | 6.55:1 | AA | Lc -42.9 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#DFECF1
oklch(93.5% 0.015 222.7)
-
Step 200
200
#C5DEE6
oklch(88.5% 0.029 219)
-
Step 300
300
#9CC9D8
oklch(80.9% 0.052 220.3)
-
Step 400
400
#60ADC5
oklch(70.7% 0.084 220.3)
-
Step 500
500 (this color)
#299CBA
oklch(64.4% 0.107 219.9)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#062B35
oklch(26.9% 0.044 220.1)
#299CBA 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) | #8A98BC | 0.089 |
| Deuteranopia (no green cones) | #768ABA | 0.078 |
| Tritanopia (no blue cones) | #00A6A6 | 0.050 |
| Achromatopsia (no color) | #909090 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #299CBA
#299CBA
oklch(64.4% 0.107 219.9)
- #C4765A
#C4765A
oklch(64.4% 0.106 40.4)
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 #299CBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.054
- Blue NCS #118AB2 ΔE 0.054
- Turquoise Blue #06B1C4 ΔE 0.058
- Teal Green #0A9396 ΔE 0.058
- Sea #3C9992 ΔE 0.059
- Faded Blue #658CBB ΔE 0.061
- Dusty Blue #5A86AD ΔE 0.065
- Persian Green #2A9D8F ΔE 0.067
Use #299CBA 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.