#2C99CA
Closest named color: Faded Blue (#658CBB). oklch(64.5% 0.119 233), rgb(44, 153, 202).
Aa
Black text reads best on this color (6.51:1).
About this color
#2C99CA is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.119 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.053 away. Black text reads best on it, at 6.51:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #2C99CA |
| RGB | rgb(44, 153, 202) |
| HSL | hsl(199, 64%, 48%) |
| OKLCH | oklch(64.5% 0.119 233) |
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 #2C99CA | 3.22:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #2C99CA | 6.51:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #2C99CA text on white | 3.22:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #2C99CA text on black | 6.51:1 | AA | Lc -42.7 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DDEB
oklch(88.4% 0.032 233.3)
-
Step 300
300
#9CC8E1
oklch(81% 0.058 233.3)
-
Step 400
400
#60ABD1
oklch(70.7% 0.093 232.2)
-
Step 500
500 (this color)
#2C99CA
oklch(64.5% 0.119 233)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#072A3A
oklch(26.9% 0.049 232.7)
#2C99CA 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) | #8198CC | 0.077 |
| Deuteranopia (no green cones) | #6C89C9 | 0.064 |
| Tritanopia (no blue cones) | #00A6AA | 0.071 |
| Achromatopsia (no color) | #8F8F8F | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C99CA
#2C99CA
oklch(64.5% 0.119 233)
- #C67743
#C67743
oklch(64.5% 0.12 52.4)
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 #2C99CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.053
- Blue NCS #118AB2 ΔE 0.054
- Water Blue #0E87CC ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.057
- Cool Blue #4984B8 ΔE 0.059
- Dusty Blue #5A86AD ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.064
- Steel Blue #4682B4 ΔE 0.065
Use #2C99CA 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.