#99BBCE
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.3% 0.046 232.6), rgb(153, 187, 206).
Aa
Black text reads best on this color (10.35:1).
About this color
#99BBCE is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.046 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.010 away. Black text reads best on it, at 10.35:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.35:1 |
| White text | 2.02:1 |
Values
| HEX | #99BBCE |
| RGB | rgb(153, 187, 206) |
| HSL | hsl(202, 35%, 70%) |
| OKLCH | oklch(77.3% 0.046 232.6) |
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 #99BBCE | 2.02:1 | Fails | Lc -43.9 | Non-text elements, placeholder text |
| Black text on #99BBCE | 10.35:1 | AAA | Lc 64.5 | Content text, not long reading |
| #99BBCE text on white | 2.02:1 | Fails | Lc 39.4 | Non-text elements, placeholder text |
| #99BBCE text on black | 10.35:1 | AAA | Lc -62.9 | Content text, not long reading |
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 300.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#C9DCE7
oklch(88.4% 0.025 233)
-
Step 300
300 (this color)
#99BBCE
oklch(77.3% 0.046 232.6)
-
Step 400
400
#71A9C7
oklch(70.7% 0.073 232.6)
-
Step 500
500
#4893B9
oklch(63.1% 0.094 233)
-
Step 600
600
#237DA5
oklch(55.7% 0.102 232.6)
-
Step 700
700
#14698D
oklch(49.1% 0.094 232.6)
-
Step 800
800
#155673
oklch(42.8% 0.079 232.7)
-
Step 900
900
#1A475D
oklch(37.7% 0.061 233)
-
Step 950
950
#112A36
oklch(27.1% 0.038 231.3)
#99BBCE 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) | #B2BACF | 0.032 |
| Deuteranopia (no green cones) | #AAB3CE | 0.029 |
| Tritanopia (no blue cones) | #89C0C1 | 0.033 |
| Achromatopsia (no color) | #B6B6B6 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BBCE
#99BBCE
oklch(77.3% 0.046 232.6)
- #CEAE9B
#CEAE9B
oklch(77.4% 0.046 52.5)
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 #99BBCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.010
- Light Cornflower Blue #98C1D9 ΔE 0.019
- French Gray #ADB5BD ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.044
- Sky Blue #87CEEB ΔE 0.056
- Silver #C0C0C0 ΔE 0.057
- Cool Steel #97A7B3 ΔE 0.058
Use #99BBCE 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.