#298DD7
Closest named color: Water Blue (#0E87CC). oklch(62.3% 0.143 245.9), rgb(41, 141, 215).
Aa
Black text reads best on this color (5.88:1).
About this color
#298DD7 is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.143 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.026 away. Black text reads best on it, at 5.88:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.88:1 |
| White text | 3.56:1 |
Values
| HEX | #298DD7 |
| RGB | rgb(41, 141, 215) |
| HSL | hsl(206, 69%, 50%) |
| OKLCH | oklch(62.3% 0.143 245.9) |
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 #298DD7 | 3.56:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #298DD7 | 5.88:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #298DD7 text on white | 3.56:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #298DD7 text on black | 5.88:1 | AA | Lc -38.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C5DCF2
oklch(88.4% 0.039 247.1)
-
Step 300
300
#9CC6EC
oklch(81% 0.07 246.1)
-
Step 400
400
#62A7E2
oklch(70.7% 0.112 246)
-
Step 500
500 (this color)
#298DD7
oklch(62.3% 0.143 245.9)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005387
oklch(42.8% 0.11 245.8)
-
Step 900
900
#06456F
oklch(37.8% 0.092 245.4)
-
Step 950
950
#082841
oklch(26.8% 0.059 246.3)
#298DD7 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) | #6A90DA | 0.057 |
| Deuteranopia (no green cones) | #5180D6 | 0.042 |
| Tritanopia (no blue cones) | #009FA8 | 0.101 |
| Achromatopsia (no color) | #888888 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #298DD7
#298DD7
oklch(62.3% 0.143 245.9)
- #BE7300
#BE7300
oklch(62.3% 0.139 66.1)
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 #298DD7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.028
- Chefchaouen Blue #4895EF ΔE 0.047
- Cool Blue #4984B8 ΔE 0.050
- Steel Blue #4682B4 ΔE 0.056
- Blue NCS #118AB2 ΔE 0.059
- Soft Blue #6488EA ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.059
Use #298DD7 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.