#2B698F
Closest named color: Denim (#3B638C). oklch(49.8% 0.088 239), rgb(43, 105, 143).
Aa
White text reads best on this color (5.96:1).
About this color
#2B698F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.088 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.020 away. White text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.51:1 |
| White text | 5.96:1 |
Values
| HEX | #2B698F |
| RGB | rgb(43, 105, 143) |
| HSL | hsl(203, 54%, 36%) |
| OKLCH | oklch(49.8% 0.088 239) |
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 #2B698F | 5.96:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #2B698F | 3.51:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #2B698F text on white | 5.96:1 | AA | Lc 79.6 | Fine for body text |
| #2B698F text on black | 3.51:1 | AA large text | Lc -22.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#A8C5D9
oklch(80.8% 0.042 238.2)
-
Step 400
400
#79A7C7
oklch(70.7% 0.068 239.3)
-
Step 500
500
#5591B8
oklch(63.2% 0.086 238.7)
-
Step 600
600
#377AA4
oklch(55.5% 0.094 239.2)
-
Step 700
700 (this color)
#2B698F
oklch(49.8% 0.088 239)
-
Step 800
800
#235472
oklch(42.6% 0.072 238.6)
-
Step 900
900
#22465C
oklch(37.8% 0.056 237.6)
-
Step 950
950
#152936
oklch(27% 0.036 238.5)
#2B698F 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) | #576991 | 0.048 |
| Deuteranopia (no green cones) | #4A5F8E | 0.040 |
| Tritanopia (no blue cones) | #007376 | 0.061 |
| Achromatopsia (no color) | #636363 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B698F
#2B698F
oklch(49.8% 0.088 239)
- #87552B
#87552B
oklch(49.7% 0.088 58.7)
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 #2B698F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.020
- Peacock Blue #016795 ΔE 0.023
- Ocean Blue #03719C ΔE 0.029
- Sea Blue #047495 ΔE 0.033
- Muted Blue #3B719F ΔE 0.037
- Dusky Blue #475F94 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.044
Use #2B698F 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.